Systems Engineer

Marathon TS • Sunnyvale, California • Posted June 07, 2026

Position Overview


Marathon TS
Systems Engineer

Sunnyvale, CA (onsite)

Secret Clearance (TS sponsorship)



Marathon TS is seeking a Secret Cleared Systems Engineer to support our client on a long term contract in Sunnyvale, CA.
  • The Supplier shall support MASC contract and work in Sunnyvale CA on a normal day shift. Extended hours may be required in special circumstances when additional engineering support is needed. A current Security+ Certification is required.

  • The Supplier shall provide comprehensive support to the MASC team, including: Systems administration and help desk expertise for sustainment/development environments on MASC, covering Windows, Solaris, Red Hat Enterprise Linux, and other operating systems.
    Configuration, data management, and software builds using Change Management (CM) tools.
    Collaboration with functional teams to resolve findings/issues and participate in Agile activities.
    Development and application of c...